Aban loyd chiles owns and operates three offshore drilling rigs, aban ii, aban iii and hit drill-i and a floating production facility, tahara. The rigs have the capacity to drill up to a depth of 6,000 meters in waters of 20 to 300 feet deep. The rigs are fitted with a state-of-the-art top drive system, which increases productivity and reduces costs for the operation. The fleet undertook drilling operations, in production and exploratory blocks at bombay high, and off the godavari and pondicherry coasts, for reputed clients like ongc and cairn energy.